Correspondence: Pablo Picasso and Gertrude Stein (The French List): Stein, Gertrude, Picasso, Pablo, Madeline, Laurence, Scott Fox, Lorna: 9781905422913: Amazon.com: Books
For Gertrude Stein, Collecting Art Was A Family Affair : NPR
Selected Writings of Gertrude Stein: Stein, Gertrude: 9780679724643: Amazon.com: Books
Picasso (Dover Fine Art, History of Art): Stein, Gertrude: 0800759247158: Amazon.com: Books